Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 16:59

General

  • Target

    711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe

  • Size

    454KB

  • MD5

    4492c0fed06f47b4e844633e7b56293c

  • SHA1

    c072235414b249c89d2fe05691c2c0af36e54bda

  • SHA256

    711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee

  • SHA512

    bff79c233a9e7459cdd10c5814e511369fa6e3f737ded6ea4ebacbb51fdc012c1bfa01f30e38125db8ea15b809fe6419d8af7b9d6305c7400ae64ae2bfb889b8

  • SSDEEP

    12288:2iB9S1zi63i/LYjQogh7cz3EP4Fn4IWneiS6U:2irSI63iTYkogh4DlKrU

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 4 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe
    "C:\Users\Admin\AppData\Local\Temp\711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Users\Admin\AppData\Local\Temp\u3sw.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3sw.0.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4388
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HCAEHJJKFC.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1880
        • C:\Users\Admin\AppData\Local\Temp\HCAEHJJKFC.exe
          "C:\Users\Admin\AppData\Local\Temp\HCAEHJJKFC.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1700
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\HCAEHJJKFC.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1064
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:1384
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 2524
        3⤵
        • Program crash
        PID:2884
    • C:\Users\Admin\AppData\Local\Temp\u3sw.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3sw.1.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2180
      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
        "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4184
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 1148
      2⤵
      • Program crash
      PID:1392
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4928 -ip 4928
    1⤵
      PID:4776
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4388 -ip 4388
      1⤵
        PID:3504

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Are.docx

        Filesize

        11KB

        MD5

        a33e5b189842c5867f46566bdbf7a095

        SHA1

        e1c06359f6a76da90d19e8fd95e79c832edb3196

        SHA256

        5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

        SHA512

        f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

      • C:\Users\Admin\AppData\Local\Temp\HCAEHJJKFC.exe

        Filesize

        106KB

        MD5

        fe380780b5c35bd6d54541791151c2be

        SHA1

        7fe3a583cf91474c733f85cebf3c857682e269e1

        SHA256

        b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

        SHA512

        ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        3KB

        MD5

        57ba8a74425549590f9abb172f701847

        SHA1

        7ef1de7c189a2127c69e5e038a960622b6e337ac

        SHA256

        87390424664f03d6636afebb256163d85562d3803997721c1511facb5d3841df

        SHA512

        73af5d981f85e65e0bff110464653ad387f48fec67c4eaf65c11ed8bd4f34f659001bc517e4d33c8508250e2af384634f63d390792c053a32a481675753c5292

      • C:\Users\Admin\AppData\Local\Temp\u3sw.0.exe

        Filesize

        312KB

        MD5

        12d374f5d55dc469aee06c9cd50e9e61

        SHA1

        8e3af58dcf5c3da96b4c984d94b2ce19c6fef1eb

        SHA256

        fd91ac27792d0f75969dbba3bfa91ec6aa025bdf4b3f2e5e35bc7b22551e14d7

        SHA512

        f6b56036a0383e17bde7e6563b0a1316bd650ec6e1836584e72e647b1de22728602b180e885e10c6dc9390aa7d12bdfa78574781466a2c5301674317143e5408

      • C:\Users\Admin\AppData\Local\Temp\u3sw.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/1700-205-0x0000000072970000-0x0000000073120000-memory.dmp

        Filesize

        7.7MB

      • memory/1700-203-0x0000000000140000-0x0000000000160000-memory.dmp

        Filesize

        128KB

      • memory/1700-206-0x0000000004B90000-0x0000000004BA0000-memory.dmp

        Filesize

        64KB

      • memory/1700-209-0x0000000072970000-0x0000000073120000-memory.dmp

        Filesize

        7.7MB

      • memory/2180-88-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2180-27-0x00000000026B0000-0x00000000026B1000-memory.dmp

        Filesize

        4KB

      • memory/2180-127-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2180-114-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2180-77-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2180-97-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/2180-92-0x00000000026B0000-0x00000000026B1000-memory.dmp

        Filesize

        4KB

      • memory/4184-138-0x000002B9CB2F0000-0x000002B9CB3A2000-memory.dmp

        Filesize

        712KB

      • memory/4184-148-0x000002B9B14F0000-0x000002B9B1500000-memory.dmp

        Filesize

        64KB

      • memory/4184-185-0x000002B9B14F0000-0x000002B9B1500000-memory.dmp

        Filesize

        64KB

      • memory/4184-184-0x000002B9B14F0000-0x000002B9B1500000-memory.dmp

        Filesize

        64KB

      • memory/4184-182-0x000002B9B14F0000-0x000002B9B1500000-memory.dmp

        Filesize

        64KB

      • memory/4184-181-0x000002B9B14F0000-0x000002B9B1500000-memory.dmp

        Filesize

        64KB

      • memory/4184-128-0x00007FFEF9DB0000-0x00007FFEFA871000-memory.dmp

        Filesize

        10.8MB

      • memory/4184-129-0x000002B9AC060000-0x000002B9AF958000-memory.dmp

        Filesize

        57.0MB

      • memory/4184-130-0x000002B9B14F0000-0x000002B9B1500000-memory.dmp

        Filesize

        64KB

      • memory/4184-131-0x000002B9CB0A0000-0x000002B9CB1B0000-memory.dmp

        Filesize

        1.1MB

      • memory/4184-132-0x000002B9B15F0000-0x000002B9B1600000-memory.dmp

        Filesize

        64KB

      • memory/4184-133-0x000002B9CAE40000-0x000002B9CAE4C000-memory.dmp

        Filesize

        48KB

      • memory/4184-134-0x000002B9B1600000-0x000002B9B1614000-memory.dmp

        Filesize

        80KB

      • memory/4184-135-0x000002B9CAEA0000-0x000002B9CAEC4000-memory.dmp

        Filesize

        144KB

      • memory/4184-136-0x000002B9B15D0000-0x000002B9B15DA000-memory.dmp

        Filesize

        40KB

      • memory/4184-137-0x000002B9CAF00000-0x000002B9CAF2A000-memory.dmp

        Filesize

        168KB

      • memory/4184-180-0x000002B9B14F0000-0x000002B9B1500000-memory.dmp

        Filesize

        64KB

      • memory/4184-139-0x000002B9CB3A0000-0x000002B9CB41A000-memory.dmp

        Filesize

        488KB

      • memory/4184-140-0x000002B9CAF30000-0x000002B9CAF92000-memory.dmp

        Filesize

        392KB

      • memory/4184-141-0x000002B9CB4A0000-0x000002B9CB516000-memory.dmp

        Filesize

        472KB

      • memory/4184-142-0x000002B9B15E0000-0x000002B9B15EA000-memory.dmp

        Filesize

        40KB

      • memory/4184-146-0x000002B9CB520000-0x000002B9CB820000-memory.dmp

        Filesize

        3.0MB

      • memory/4184-151-0x000002B9B14F0000-0x000002B9B1500000-memory.dmp

        Filesize

        64KB

      • memory/4184-150-0x000002B9B14F0000-0x000002B9B1500000-memory.dmp

        Filesize

        64KB

      • memory/4184-149-0x000002B9CF180000-0x000002B9CF188000-memory.dmp

        Filesize

        32KB

      • memory/4184-179-0x00007FFEF9DB0000-0x00007FFEFA871000-memory.dmp

        Filesize

        10.8MB

      • memory/4184-152-0x000002B9CF890000-0x000002B9CF8C8000-memory.dmp

        Filesize

        224KB

      • memory/4184-153-0x000002B9CF850000-0x000002B9CF85E000-memory.dmp

        Filesize

        56KB

      • memory/4184-154-0x000002B9CF900000-0x000002B9CF90A000-memory.dmp

        Filesize

        40KB

      • memory/4184-155-0x000002B9D09A0000-0x000002B9D09C2000-memory.dmp

        Filesize

        136KB

      • memory/4184-156-0x000002B9D0EF0000-0x000002B9D1418000-memory.dmp

        Filesize

        5.2MB

      • memory/4184-160-0x000002B9D0770000-0x000002B9D07C0000-memory.dmp

        Filesize

        320KB

      • memory/4184-159-0x000002B9B14F0000-0x000002B9B1500000-memory.dmp

        Filesize

        64KB

      • memory/4184-161-0x000002B9D0740000-0x000002B9D074C000-memory.dmp

        Filesize

        48KB

      • memory/4184-164-0x000002B9D07F0000-0x000002B9D0812000-memory.dmp

        Filesize

        136KB

      • memory/4184-172-0x000002B9CB840000-0x000002B9CB85E000-memory.dmp

        Filesize

        120KB

      • memory/4388-15-0x0000000000400000-0x0000000002B79000-memory.dmp

        Filesize

        39.5MB

      • memory/4388-202-0x0000000000400000-0x0000000002B79000-memory.dmp

        Filesize

        39.5MB

      • memory/4388-85-0x0000000002EA0000-0x0000000002FA0000-memory.dmp

        Filesize

        1024KB

      • memory/4388-14-0x0000000002CD0000-0x0000000002CF7000-memory.dmp

        Filesize

        156KB

      • memory/4388-84-0x0000000000400000-0x0000000002B79000-memory.dmp

        Filesize

        39.5MB

      • memory/4388-34-0x0000000000400000-0x0000000002B79000-memory.dmp

        Filesize

        39.5MB

      • memory/4388-178-0x0000000000400000-0x0000000002B79000-memory.dmp

        Filesize

        39.5MB

      • memory/4388-13-0x0000000002EA0000-0x0000000002FA0000-memory.dmp

        Filesize

        1024KB

      • memory/4388-35-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/4388-168-0x0000000000400000-0x0000000002B79000-memory.dmp

        Filesize

        39.5MB

      • memory/4928-33-0x0000000004940000-0x00000000049AC000-memory.dmp

        Filesize

        432KB

      • memory/4928-24-0x0000000000400000-0x0000000002B9C000-memory.dmp

        Filesize

        39.6MB

      • memory/4928-1-0x0000000002BD0000-0x0000000002CD0000-memory.dmp

        Filesize

        1024KB

      • memory/4928-3-0x0000000000400000-0x0000000002B9C000-memory.dmp

        Filesize

        39.6MB

      • memory/4928-2-0x0000000004940000-0x00000000049AC000-memory.dmp

        Filesize

        432KB